Designed for two-way communication in field radio communication sets when working in protective gear. 

Great for outdoor activities and military sports games.

It has two modifications: ГНШ-П-20-1Р on a belt soft headband and ГНШ-П-20-1Р  with a headband in the form of a cap.

Microphone on flexible gooseneck type holder.

Only the left-hand version.

Output connector is determined by the type of radio communication set.

The module of the electrical impedance of the telephone at a frequency of 1000 Hz, Ohm 300±60
Paraphonic sensitivity of the microphone, not less than, mV / Pa 5
The response of the phone at a frequency of 1000 Hz, not less than, Pa 8
Масса, не более, г 190
Гарантийный срок 1 год